IANA time zone · India Standard Time
Asia/Colombo
Clock changes in 2026 and 2027
Clocks in this zone don’t change – it stays on UTC+5:30 all year.
Cities in the Asia/Colombo zone
- Colombo Sri Lanka
- Dehiwala-Mount Lavinia Sri Lanka
- Jaffna Sri Lanka
The identifier Asia/Colombo comes from the IANA time zone database (tz database) used by operating systems, browsers and programming languages. A zone in this database is an area where clocks have agreed since 1970 – which is why one country can have several zones with the same offset.